CVE-2024-7868: Uninitialized variable in Xpdf 4.05 due to invalid JPEG header

Published Aug 15, 2024
·
Updated

In Xpdf 4.05 (and earlier), invalid header info in a DCT (JPEG) stream can lead to an uninitialized variable in the DCT decoder. The proof-of-concept PDF file causes a segfault attempting to read from an invalid address.

Affected Software

1 affected component
Xpdfreader Xpdf<4.06

Event History

Aug 15, 2024
CVE Published
via MITRE·08:22 PM
Data Sourced
via MITRE·08:22 PM
DescriptionWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-7868?

CVE-2024-7868 has been classified as a high-severity vulnerability due to the potential for remote code execution caused by the segfault.

2

How do I fix CVE-2024-7868?

To fix CVE-2024-7868, upgrade Xpdf to version 4.06 or later.

3

What types of applications are affected by CVE-2024-7868?

CVE-2024-7868 affects applications using Xpdf versions up to 4.05 that process PDF files with DCT (JPEG) streams.

4

Can CVE-2024-7868 lead to data breaches?

CVE-2024-7868 can potentially allow attackers to cause application crashes but does not inherently lead to data breaches.

5

What is the impact of CVE-2024-7868 on system stability?

CVE-2024-7868 can cause instability in systems running vulnerable versions of Xpdf by leading to segmentation faults.

Contact

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